Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 20,000 1 : 10,000 1 : 15,000 1 : 30,000 1 : 20,000 1 : 10,000 1 : 15,000 1 : 30,000 ANSWER DOWNLOAD EXAMIANS APP
Surveying Limiting gradient for locating the base line on evenly-sloping ground, is 1 in 6 1 in 10 1 in 8 1 in 12 1 in 6 1 in 10 1 in 8 1 in 12 ANSWER DOWNLOAD EXAMIANS APP
Surveying Benchmark is established by trigonometrical levelling spirit levelling hypsometry barometric levelling trigonometrical levelling spirit levelling hypsometry barometric levelling ANSWER DOWNLOAD EXAMIANS APP
Surveying In direct method of contouring, the process of locating or identifying points lying on a contour is called vertical control centring ranging horizontal control vertical control centring ranging horizontal control ANSWER DOWNLOAD EXAMIANS APP
Surveying In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as S113°30’N W23°30’N N23°30’W N66°30’W S113°30’N W23°30’N N23°30’W N66°30’W ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h tan α/S h (tan α + tan β)/S h tan β/S h (tan α - tan β)/S h tan α/S h (tan α + tan β)/S h tan β/S h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
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